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During the zero-copy data forwarding, the caller specify the maximum amount of data the producer may push. However, the HTML stats applet does not use it and can fill all the free space in the buffer. It is especially an issue when the consumer is limited by a flow control, like the H2. Because we may emit too large DATA frame in this case. It is especially visible with big buffer (for instance 32k). In the early age or zero-copy data forwarding, the caller was responsible to pass a properly resized buffer. And during the different refactoring steps, this has changed but the HTML stats applet was not updated accordingly. To fix the bug, the buffer used to dump the HTML page is resized to be sure not too much data are dumped. This patch should solve the issue #2757. It must be backported to 3.0. (cherry picked from commit 529e4f36a353bca292196e1344a79b8cd4ba143c) Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)